Volume 7, Number 4—August 2001
THEME ISSUE
West Nile Virus
West Nile Virus
Experimental Infection of Chickens as Candidate Sentinels for West Nile Virus
Stanley A. Langevin, Michel Bunning, Brent Davis, and Nicholas Komar
Table 2
West Nile virus (WNV)-NY99 PFU in 0.5 mL cloacal or throat swabs of chickens
| Chicken |
Day postinoculation |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| ID# | Age (wk) | Infection mode | No. mosq. fed | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 1103 | 20 | N | NA | NT | NT | 23a | 0 | NT | 5 | 0 |
| 1108 | 20 | N | NA | NT | NT | 200 | 0 | NT | 0 | 0 |
| 1110 | 20 | N | NA | NT | NT | 28 | 95 | NT | 3 | 0 |
| 2019 | 20 | N | NA | NT | NT | 3 | 8 | NT | 0 | 0 |
| 2027 | 20 | N | NA | NT | NT | 10 | 5 | NT | 0 | 0 |
| 1112 | 17 | M | 4-5 | 0/3b | 4/0 | 6/3 | 23/3 | 8/0 | 0/0 | 0/0 |
| 1114 | 17 | M | 4-5 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 1116 | 17 | M | 4-5 | 0/0 | 0/0 | 0/0 | 0/3 | 0/0 | 0/0 | 0/0 |
| 1118 | 17 | M | 4-5 | 0/0 | 0/0 | 4/0 | 1/0 | 0/0 | 3/0 | 0/0 |
| 1120 | 17 | M | 4-5 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 1122 | 17 | M | 4-5 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2401 | 17 | M | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2402 | 17 | M | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2404 | 17 | M | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2595 | 17 | M | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2596 | 17 | M | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1124 | 60 | M | 1 | 0 | 0 | 0 | 0 | 5 | NT | NT |
| 1126 | 60 | M | 1 | 0 | 0 | 6 | 5 | 0 | NT | NT |
| 1128 | 60 | M | 1 | 0 | 0 | 0 | 0 | 1 | NT | NT |
| 1132 | 60 | M | 1 | 0 | 0 | 3 | 11 | 18 | NT | NT |
| 1134 | 60 | M | 1 | 0 | 3 | 9 | 24 | 3 | NT | NT |
aData presented are from cloacal swabs unless otherwise indicated.
bCloacal swab/nasopharyngeal swab.
N = needle; NA = not applicable; NT = not tested; M = mosquito.
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